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Mill Valley weather in May (California, United States of America)

Thinking of visiting Mill Valley in May? Check the weather first! Check out this detailed guide to the month’s weather conditions.

Temperatures

The weather in Mill Valley is usually perfect in May, featuring pleasant temperatures and low rainfall. Daytime temperatures hover around 20°C, while nights can cool down to about 10°C.

Precipitation

Mill Valley in May usually receives low rainfall, averaging around 17 mm for the month. Climate statistics over the past 30 years suggest around 3 days of rain.

Average sunshine

The days are predominantly sunny, with an estimated total of around 324 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

If you favor pleasant temperatures and minimal rainfall, May is one of the better months to visit Mill Valley. May, June, July, August, September and October typically offer the most agreeable circumstances. On the other hand, January, February and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Mill Valley climate page with graphs.

 

Mill Valley, monthly averages in May

Min TemperatureMin Temperature 10°C  
Max TemperatureMax Temperature 20°C  
Chance of RainChance of Rain 10%  
PrecipitationPrecipitation 17 mm  
Rainy daysRainy days 3 days  
HumidityHumidity 72% *  
SunshineSunshine 324 hours *  
Percentage SunshinePercentage Sunshine 73% *  
Data from: San Francisco, the United States of America (35 KM, 21 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Mill Valley, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
10/10
Walking
10/10
Camping
5/10
Outdoor sports
10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Mill Valley.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.